libremetaverse/OpenMetaverse/DirectoryManager.cs

/*
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using System;
using System.Collections.Generic;
using System.Threading;
using OpenMetaverse.Packets;
using OpenMetaverse.Interfaces;
using OpenMetaverse.Messages.Linden;

namespace OpenMetaverse
{
    /// <summary>
    /// Access to the dataserver which allows searching for land, events, people, etc
    /// </summary>
    public class DirectoryManager
    {
        /// <summary>
        /// The different categories a classified ad can be placed in
        /// </summary>
        public enum ClassifiedCategories
        {
            /// <summary>Classified is listed in the Any category</summary>
            Any = 0,
            /// <summary>Classified is shopping related</summary>
            Shopping,
            /// <summary>Classified is </summary>
            LandRental,
            /// <summary></summary>
            PropertyRental,
            /// <summary></summary>
            SpecialAttraction,
            /// <summary></summary>
            NewProducts,
            /// <summary></summary>
            Employment,
            /// <summary></summary>
            Wanted,
            /// <summary></summary>
            Service,
            /// <summary></summary>
            Personal
        }

        /// <summary></summary>
        public enum EventCategories
        {
            /// <summary></summary>
            All = 0,
            /// <summary></summary>
            Discussion = 18,
            /// <summary></summary>
            Sports = 19,
            /// <summary></summary>
            LiveMusic = 20,
            /// <summary></summary>
            Commercial = 22,
            /// <summary></summary>
            Nightlife = 23,
            /// <summary></summary>
            Games = 24,
            /// <summary></summary>
            Pageants = 25,
            /// <summary></summary>
            Education = 26,
            /// <summary></summary>
            Arts = 27,
            /// <summary></summary>
            Charity = 28,
            /// <summary></summary>
            Miscellaneous = 29
        }

        // I can be deleted as soon as the flags for DirLandQuery can be verified to not use
        // the below listed combinations. e.g: PgSimsOnly *should not* be necessary any longer as it looks redundant
        // -- Jim
        //
        // <summary>
        // Modifier flags sent to DirectoryManager to change the behavior of the
        // query
        // </summary>
        // Land Search Flags required in addition to specify land maturity rating:
        // <example>
        // <code>PgSimsOnly | SortAsc | PerMeterSort | IncludePG | IncludeAdult</code>
        // would sort the results ascending, sort by sale price/m2, Include only Adult and PG Land
        // in the search results.
        // </example>
        // <list type="table">  
        // <listheader><term>Desired Query</term><description>Required Flags</description></listheader>  
        // <item><term>PG</term><description>PgSimsOnly | IncludePG</description></item>  
        // <item><term>PG+Mature</term><description>IncludePG | IncludeMature</description></item>  
        // <item><term>PG+Mature+Adult</term><description>IncludePG | IncludeMature | IncludeAdult</description></item>  
        // <item><term>Mature+Adult</term><description>MatureSimsOnly | IncludeMature | IncludeAdult</description></item>  
        // <item><term>Adult</term><description>IncludeAdult</description></item>  
        // <item><term>Mature</term><description>MatureSimsOnly | IncludeMature</description></item>  
        // <item><term>PG+Adult</term><description>PgSimsOnly | IncludePG | IncludeAdult</description></item>
        // </list>   
        

        /// <summary>
        /// Query Flags used in many of the DirectoryManager methods to specify which query to execute and how to return the results.
        /// 
        /// Flags can be combined using the | (pipe) character
        /// </summary>
        [Flags]
        public enum DirFindFlags
        {
            /// <summary>Query the People database</summary>
            People = 1 << 0,
            /// <summary></summary>
            Online = 1 << 1,
            // <summary></summary>
            //[Obsolete]
            //Places = 1 << 2,
            /// <summary></summary>
            Events = 1 << 3,
            /// <summary></summary>
            Groups = 1 << 4,
            /// <summary>Query the Events database</summary>
            DateEvents = 1 << 5,
            /// <summary>Query the land holdings database for land owned by the currently connected agent</summary>
            AgentOwned = 1 << 6,
            /// <summary></summary>
            ForSale = 1 << 7,
            /// <summary>Query the land holdings database for land which is owned by a Group</summary>
            GroupOwned = 1 << 8,
            // <summary></summary>
            //[Obsolete]
            //Auction = 1 << 9,
            /// <summary>Specifies the query should pre sort the results based upon traffic
            /// when searching the Places database</summary>
            DwellSort = 1 << 10,
            /// <summary></summary>
            PgSimsOnly = 1 << 11,
            /// <summary></summary>
            PicturesOnly = 1 << 12,
            /// <summary></summary>
            PgEventsOnly = 1 << 13,
            /// <summary></summary>
            MatureSimsOnly = 1 << 14,
            /// <summary>Specifies the query should pre sort the results in an ascending order when searching the land sales database. 
            /// This flag is only used when searching the land sales database</summary>
            SortAsc = 1 << 15,
            /// <summary>Specifies the query should pre sort the results using the SalePrice field when searching the land sales database. 
            /// This flag is only used when searching the land sales database</summary>
            PricesSort = 1 << 16,
            /// <summary>Specifies the query should pre sort the results by calculating the average price/sq.m (SalePrice / Area) when searching the land sales database. 
            /// This flag is only used when searching the land sales database</summary>
            PerMeterSort = 1 << 17,
            /// <summary>Specifies the query should pre sort the results using the ParcelSize field when searching the land sales database. 
            /// This flag is only used when searching the land sales database</summary>
            AreaSort = 1 << 18,
            /// <summary>Specifies the query should pre sort the results using the Name field when searching the land sales database. 
            /// This flag is only used when searching the land sales database</summary>
            NameSort = 1 << 19,
            /// <summary>When set, only parcels less than the specified Price will be included when searching the land sales database.
            /// This flag is only used when searching the land sales database</summary>
            LimitByPrice = 1 << 20,
            /// <summary>When set, only parcels greater than the specified Size will be included when searching the land sales database.
            /// This flag is only used when searching the land sales database</summary>
            LimitByArea = 1 << 21,
            /// <summary></summary>
            FilterMature = 1 << 22,
            /// <summary></summary>
            PGOnly = 1 << 23,
            /// <summary>Include PG land in results. This flag is used when searching both the Events and Land sales databases</summary>
            IncludePG = 1 << 24,
            /// <summary>Include Mature land in results. This flag is used when searching both the Events and Land sales databases</summary>
            IncludeMature = 1 << 25,
            /// <summary>Include Adult land in results. This flag is used when searching both the Events and Land sales databases</summary>
            IncludeAdult = 1 << 26,
            /// <summary></summary>
            AdultOnly = 1 << 27                   
        }

        /// <summary>
        /// Land types to search dataserver for
        /// </summary>
        [Flags]
        public enum SearchTypeFlags
        {
            /// <summary>Search Auction, Mainland and Estate</summary>
            Any = -1,
            /// <summary>Do not search</summary>
            None = 0,
            /// <summary>Land which is currently up for auction</summary>
            Auction = 1 << 1,
            // <summary>Land available to new landowners (formerly the FirstLand program)</summary>
            //[Obsolete]
            //Newbie = 1 << 2,
            /// <summary>Parcels which are on the mainland (Linden owned) continents</summary>
            Mainland = 1 << 3,
            /// <summary>Parcels which are on privately owned simulators</summary>
            Estate = 1 << 4
        }

        /// <summary>
        /// The content rating of the event
        /// </summary>
        public enum EventFlags
        {
            /// <summary>Event is PG</summary>
            PG = 0,
            /// <summary>Event is Mature</summary>
            Mature = 1,
            /// <summary>Event is Adult</summary>
            Adult = 2
        }

        /// <summary>
        /// A classified ad on the grid
        /// </summary>
        public struct Classified
        {
            /// <summary>UUID for this ad, useful for looking up detailed
            /// information about it</summary>
            public UUID ID;
            /// <summary>The title of this classified ad</summary>
            public string Name;
            /// <summary>Flags that show certain options applied to the classified</summary>
            public ClassifiedFlags Flags;
            /// <summary>Creation date of the ad</summary>
            public DateTime CreationDate;
            /// <summary>Expiration date of the ad</summary>
            public DateTime ExpirationDate;
            /// <summary>Price that was paid for this ad</summary>
            public int Price;

            /// <summary>
            /// Display a classified ad in a one line human readable format
            /// </summary>
            /// <returns>A string representing a single classified ad</returns>
            public override string ToString()
            {
                return String.Format("Classified Ad: ID: {0}, Name: {1}, Flags: [{2}] {3}, Created: {4}, Expires: {5}, Paid: {6}",
                    this.ID, this.Name, this.Flags, this.Flags.ToString(), this.CreationDate, this.ExpirationDate, this.Price);
            }
        }

        /// <summary>
        /// Classified Ad Options
        /// </summary>
        /// <remarks>There appear to be two formats the flags are packed in.
        /// This set of flags is for the newer style</remarks>
        [Flags]
        public enum ClassifiedFlags : byte
        {
            None = 1 << 0,
            Mature = 1 << 1,
            Enabled = 1 << 2,
            // HasPrice = 1 << 3, // Deprecated
            UpdateTime = 1 << 4,
            AutoRenew = 1 << 5         
        }

        /// <summary>
        /// Classified ad query options
        /// </summary>
        [Flags]
        public enum ClassifiedQueryFlags
        {
            /// <summary>Include all ads in results</summary>
            All = PG | Mature | Adult,
            /// <summary>Include PG ads in results</summary>
            PG = 1 << 2,
            /// <summary>Include Mature ads in results</summary>
            Mature = 1 << 3,
            /// <summary>Include Adult ads in results</summary>
            Adult = 1 << 6,
        }

        /// <summary>
        /// A parcel retrieved from the dataserver such as results from the 
        /// "For-Sale" listings or "Places" Search
        /// </summary>
        public struct DirectoryParcel
        {
            /// <summary>The unique dataserver parcel ID</summary>
            /// <remarks>This id is used to obtain additional information from the entry
            /// by using the <see cref="ParcelManager.InfoRequest"/> method</remarks>
            public UUID ID;
            /// <summary>A string containing the name of the parcel</summary>
            public string Name;
            /// <summary>The size of the parcel</summary>
            /// <remarks>This field is not returned for Places searches</remarks>
            public int ActualArea;
            /// <summary>The price of the parcel</summary>
            /// <remarks>This field is not returned for Places searches</remarks>
            public int SalePrice;
            /// <summary>If True, this parcel is flagged to be auctioned</summary>
            public bool Auction;
            /// <summary>If true, this parcel is currently set for sale</summary>
            public bool ForSale;
            /// <summary>Parcel traffic</summary>
            public float Dwell;

            /// <summary>
            /// Display an entry in a one line human readable format
            /// </summary>
            /// <returns>A string representing a single parcel entry</returns>
            public override string ToString()
            {                
                return String.Format("Parcel ID: {0}, Name: {1}, Area: {2}, Price: {3}, IsAuction: {4}, IsForSale: {5}, Dwell: {6}" + System.Environment.NewLine,
                    this.ID, this.Name, this.ActualArea, this.SalePrice, this.Auction, this.ForSale, this.Dwell);
            }
        }

        /// <summary>
        /// An Avatar returned from the dataserver
        /// </summary>
        public struct AgentSearchData
        {
            /// <summary>Online status of agent</summary>
            public bool Online;
            /// <summary>Agents first name</summary>
            public string FirstName;
            /// <summary>Agents last name</summary>
            public string LastName;
            /// <summary>Agents <see cref="UUID"/></summary>
            public UUID AgentID;
        }

        /// <summary>
        ///  Response to a "Groups" Search
        /// </summary>
        public struct GroupSearchData
        {
            public UUID GroupID;
            public string GroupName;
            public int Members;
        }

        /// <summary>
        /// Response to a "Places" Search, e.g. My Land, Group Land, etc.
        /// Note: This is not DirPlacesReply
        /// </summary>
        public struct PlacesSearchData
        {
            public UUID OwnerID;
            public string Name;
            public string Desc;
            public int ActualArea;
            public int BillableArea;
            public byte Flags;
            public float GlobalX;
            public float GlobalY;
            public float GlobalZ;
            public string SimName;
            public UUID SnapshotID;
            public float Dwell;
            public int Price;
        }

        /// <summary>
        /// Response to "Events" search
        /// </summary>
        public struct EventsSearchData
        {
            public UUID Owner;
            public string Name;
            public uint ID;
            public string Date;
            public uint Time;
            public EventFlags Flags;
        }


        /// <summary>
        /// an Event returned from the dataserver
        /// </summary>
        public struct EventInfo
        {
            public uint ID;
            public UUID Creator;
            public string Name;
            public EventCategories Category;
            public string Desc;
            public string Date;
            public UInt32 DateUTC;
            public UInt32 Duration;
            public UInt32 Cover;
            public UInt32 Amount;
            public string SimName;
            public Vector3d GlobalPos;
            public EventFlags Flags;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="classifieds"></param>
        public delegate void ClassifiedReplyCallback(List<Classified> classifieds);
        /// <summary>
        /// 
        /// </summary>
        /// <param name="dirParcels"></param>
        public delegate void DirLandReplyCallback(List<DirectoryParcel> dirParcels);

        /// <summary>
        /// 
        /// </summary>
        /// <param name="queryID"></param>
        /// <param name="matchedPeople"></param>
        public delegate void DirPeopleReplyCallback(UUID queryID, List<AgentSearchData> matchedPeople);

        /// <summary>
        /// 
        /// </summary>
        /// <param name="queryID"></param>
        /// <param name="matchedGroups"></param>
        public delegate void DirGroupsReplyCallback(UUID queryID, List<GroupSearchData> matchedGroups);

        /// <summary>
        /// Passes results of search -> places
        /// </summary>
        /// <param name="queryID">UUID of this request</param>
        /// <param name="matchedParcels">List of parcels found in search</param>
        public delegate void DirPlacesReplyCallback(UUID queryID, List<DirectoryParcel> matchedParcels);


        /// <summary>
        /// 
        /// </summary>
        /// <param name="queryID"></param>
        /// <param name="matchedPlaces"></param>
        public delegate void PlacesReplyCallback(UUID queryID, List<PlacesSearchData> matchedPlaces);

        /// <summary>
        /// 
        /// </summary>
        /// <param name="queryID"></param>
        /// <param name="matchedEvents"></param>
        public delegate void EventReplyCallback(UUID queryID, List<EventsSearchData> matchedEvents);

        /// <summary>
        /// 
        /// </summary>
        /// <param name="matchedEvent"></param>
        public delegate void EventInfoCallback(EventInfo matchedEvent);

        /// <summary>
        /// 
        /// </summary>
        public event ClassifiedReplyCallback OnClassifiedReply;
        /// <summary>
        /// 
        /// </summary>
        public event DirLandReplyCallback OnDirLandReply;

        public event DirPeopleReplyCallback OnDirPeopleReply;

        public event DirGroupsReplyCallback OnDirGroupsReply;

        /// <summary>
        /// When we have result of search->places
        /// </summary>
        public event DirPlacesReplyCallback OnDirPlacesReply;

        public event PlacesReplyCallback OnPlacesReply;

        // List of Events
        public event EventReplyCallback OnEventsReply;

        // Event Details
        public event EventInfoCallback OnEventInfo;

        private GridClient Client;

        /// <summary>
        /// Constructs a new instance of the DirectoryManager class
        /// </summary>
        /// <param name="client">An instance of GridClient</param>
        public DirectoryManager(GridClient client)
        {
            Client = client;
            
            Client.Network.RegisterCallback(PacketType.DirClassifiedReply, new NetworkManager.PacketCallback(DirClassifiedReplyHandler));
            // Deprecated, replies come in over capabilities
            Client.Network.RegisterCallback(PacketType.DirLandReply, new NetworkManager.PacketCallback(DirLandReplyHandler));
            Client.Network.RegisterEventCallback("DirLandReply", DirLandReplyEventHandler);
            Client.Network.RegisterCallback(PacketType.DirPeopleReply, new NetworkManager.PacketCallback(DirPeopleReplyHandler));
            Client.Network.RegisterCallback(PacketType.DirGroupsReply, new NetworkManager.PacketCallback(DirGroupsReplyHandler));
            // Deprecated as of viewer 1.2.3
            Client.Network.RegisterCallback(PacketType.PlacesReply, new NetworkManager.PacketCallback(PlacesReplyHandler));
            Client.Network.RegisterEventCallback("PlacesReply", PlacesReplyEventHandler);
            Client.Network.RegisterCallback(PacketType.DirEventsReply, new NetworkManager.PacketCallback(EventsReplyHandler));
            Client.Network.RegisterCallback(PacketType.EventInfoReply, new NetworkManager.PacketCallback(EventInfoReplyHandler));
            Client.Network.RegisterCallback(PacketType.DirPlacesReply, new NetworkManager.PacketCallback(DirPlacesReplyHandler));
        }

        // Obsoleted due to new Adult search option
        [Obsolete("Use Overload with ClassifiedQueryFlags option instead")]
        public UUID StartClassifiedSearch(string searchText, ClassifiedCategories category, bool mature)
        {
            return UUID.Zero;
        }

        /// <summary>
        /// Query the data server for a list of classified ads containing the specified string.
        /// Defaults to searching for classified placed in any category, and includes PG, Adult and Mature 
        /// results.
        /// 
        /// Responses are sent 16 per response packet, there is no way to know how many results a query reply will contain however assuming
        /// the reply packets arrived ordered, a response with less than 16 entries would indicate all results have been received
        /// 
        /// The <see cref="OnClassifiedReply"/> event is raised when a response is received from the simulator
        /// </summary>
        /// <param name="searchText">A string containing a list of keywords to search for</param>
        /// <returns>A UUID to correlate the results when the <see cref="OnClassifiedReply"/> event is raised</returns>
        public UUID StartClassifiedSearch(string searchText)
        {
            return StartClassifiedSearch(searchText, ClassifiedCategories.Any, ClassifiedQueryFlags.All);            
        }

        /// <summary>
        /// Query the data server for a list of classified ads which contain specified keywords (Overload)
        /// 
        /// The <see cref="OnClassifiedReply"/> event is raised when a response is received from the simulator
        /// </summary>
        /// <param name="searchText">A string containing a list of keywords to search for</param>
        /// <param name="category">The category to search</param>
        /// <param name="queryFlags">A set of flags which can be ORed to modify query options 
        /// such as classified maturity rating.</param>
        /// <returns>A UUID to correlate the results when the <see cref="OnClassifiedReply"/> event is raised</returns>
        /// <example>
        /// Search classified ads containing the key words "foo" and "bar" in the "Any" category that are either PG or Mature
        /// <code>
        /// UUID searchID = StartClassifiedSearch("foo bar", ClassifiedCategories.Any, ClassifiedQueryFlags.PG | ClassifiedQueryFlags.Mature);
        /// </code>
        /// </example>
        /// <remarks>        
        /// Responses are sent 16 at a time, there is no way to know how many results a query reply will contain however assuming
        /// the reply packets arrived ordered, a response with less than 16 entries would indicate all results have been received
        /// </remarks>
        public UUID StartClassifiedSearch(string searchText, ClassifiedCategories category, ClassifiedQueryFlags queryFlags)
        {            
            DirClassifiedQueryPacket query = new DirClassifiedQueryPacket();
            UUID queryID = UUID.Random();

            query.AgentData.AgentID = Client.Self.AgentID;
            query.AgentData.SessionID = Client.Self.SessionID;

            query.QueryData.Category = (uint)category;
            query.QueryData.QueryFlags = (uint)queryFlags;
            query.QueryData.QueryID = queryID;
            query.QueryData.QueryText = Utils.StringToBytes(searchText);

            Client.Network.SendPacket(query);

            return queryID;
        }

        /// <summary>
        /// Starts search for places (Overloaded)
        /// 
        /// The <see cref="OnDirPlacesReply"/> event is raised when a response is received from the simulator
        /// </summary>
        /// <param name="searchText">Search text</param>
        /// <param name="startAtResult">Start result (we get 100 results at a time, so we start with 0, then 100, etc).</param>
        /// <returns>A UUID to correlate the results when the <see cref="OnDirPlacesReply"/> event is raised</returns>
        public UUID StartDirPlacesSearch(string searchText, int queryStart)
        {
            return StartDirPlacesSearch(searchText, DirFindFlags.DwellSort | DirFindFlags.IncludePG | DirFindFlags.IncludeMature
                | DirFindFlags.IncludeAdult, ParcelCategory.Any, queryStart);
        }

        /// <summary>
        /// Queries the dataserver for parcels of land which are flagged to be shown in search
        /// 
        /// The <see cref="OnDirPlacesReply"/> event is raised when a response is received from the simulator
        /// </summary>
        /// <param name="searchText">A string containing a list of keywords to search for separated by a space character</param>
        /// <param name="queryFlags">A set of flags which can be ORed to modify query options 
        /// such as classified maturity rating.</param>
        /// <param name="category">The category to search</param>        
        /// <param name="queryStart">Each request is limited to 100 places
        /// being returned. To get the first 100 result entries of a request use 0,
        /// from 100-199 use 1, 200-299 use 2, etc.</param>        
        /// <returns>A UUID to correlate the results when the <see cref="OnDirPlacesReply"/> event is raised</returns>
        /// <example>
        /// Search places containing the key words "foo" and "bar" in the "Any" category that are either PG or Adult
        /// <code>
        /// UUID searchID = StartDirPlacesSearch("foo bar", DirFindFlags.DwellSort | DirFindFlags.IncludePG | DirFindFlags.IncludeAdult, ParcelCategory.Any, 0);
        /// </code>
        /// </example>
        /// <remarks>        
        /// Additional information on the results can be obtained by using the ParcelManager.InfoRequest method
        /// </remarks>
        public UUID StartDirPlacesSearch(string searchText, DirFindFlags queryFlags, ParcelCategory category, int queryStart)
        {            
            DirPlacesQueryPacket query = new DirPlacesQueryPacket();
            
            UUID queryID = UUID.Random();
            
            query.AgentData.AgentID = Client.Self.AgentID;
            query.AgentData.SessionID = Client.Self.SessionID;

            query.QueryData.Category = (sbyte)category;
            query.QueryData.QueryFlags = (uint)queryFlags;

            query.QueryData.QueryID = queryID;
            query.QueryData.QueryText = Utils.StringToBytes(searchText);
            query.QueryData.QueryStart = queryStart;
            query.QueryData.SimName = Utils.StringToBytes(string.Empty);

            Client.Network.SendPacket(query);

            return queryID;

        }

        /// <summary>
        /// Starts a search for land sales using the directory
        /// 
        /// The <see cref="OnDirLandReply"/> event is raised when a response is received from the simulator
        /// </summary>
        /// <param name="typeFlags">What type of land to search for. Auction, 
        /// estate, mainland, "first land", etc</param>
        /// <returns>A unique identifier that can identify packets associated
        /// with this query from other queries</returns>
        /// <remarks>The OnDirLandReply event handler must be registered before
        /// calling this function. There is no way to determine how many 
        /// results will be returned, or how many times the callback will be 
        /// fired other than you won't get more than 100 total parcels from 
        /// each query.</remarks>
        public UUID StartLandSearch(SearchTypeFlags typeFlags)
        {
            return StartLandSearch(DirFindFlags.SortAsc | DirFindFlags.PerMeterSort, typeFlags, 0, 0, 0);            
        }

        /// <summary>
        /// Starts a search for land sales using the directory
        /// 
        /// The <seealso cref="OnDirLandReply"/> event is raised when a response is received from the simulator
        /// </summary>
        /// <param name="typeFlags">What type of land to search for. Auction, 
        /// estate, mainland, "first land", etc</param>
        /// <param name="priceLimit">Maximum price to search for</param>
        /// <param name="areaLimit">Maximum area to search for</param>
        /// <param name="queryStart">Each request is limited to 100 parcels
        /// being returned. To get the first 100 parcels of a request use 0,
        /// from 100-199 use 1, 200-299 use 2, etc.</param>
        /// <returns>A unique identifier that can identify packets associated
        /// with this query from other queries</returns>
        /// <remarks>The OnDirLandReply event handler must be registered before
        /// calling this function. There is no way to determine how many 
        /// results will be returned, or how many times the callback will be 
        /// fired other than you won't get more than 100 total parcels from 
        /// each query.</remarks>
        public UUID StartLandSearch(SearchTypeFlags typeFlags, int priceLimit, int areaLimit, int queryStart)
        {
            return StartLandSearch(DirFindFlags.SortAsc | DirFindFlags.PerMeterSort | DirFindFlags.LimitByPrice |
                DirFindFlags.LimitByArea, typeFlags, priceLimit, areaLimit, queryStart);
        }

        /// <summary>
        /// Request land listed for public sale
        /// </summary>
        /// 
        /// <param name="findFlags">Flags sent to specify query options
        /// 
        /// Available flags:
        /// Specify the parcel rating with one or more of the following:
        ///     IncludePG IncludeMature IncludeAdult
        /// 
        /// Specify the field to pre sort the results with ONLY ONE of the following:
        ///     PerMeterSort NameSort AreaSort PricesSort
        ///     
        /// Specify the order the results are returned in, if not specified the results are pre sorted in a Descending Order
        ///     SortAsc
        ///     
        /// Specify additional filters to limit the results with one or both of the following:
        ///     LimitByPrice LimitByArea
        ///     
        /// Flags can be combined by separating them with the | (pipe) character
        /// 
        /// Additional details can be found in <see cref="DirFindFlags"/>
        /// </param>
        /// <param name="typeFlags">What type of land to search for. Auction, 
        /// Estate or Mainland</param>
        /// <param name="priceLimit">Maximum price to search for when the 
        /// DirFindFlags.LimitByPrice flag is specified in findFlags</param>
        /// <param name="areaLimit">Maximum area to search for when the
        /// DirFindFlags.LimitByArea flag is specified in findFlags</param>
        /// <param name="queryStart">Each request is limited to 100 parcels
        /// being returned. To get the first 100 parcels of a request use 0,
        /// from 100-199 use 100, 200-299 use 200, etc.</param>
        /// <returns>A unique identifier that can identify packets associated
        /// with this query from other queries</returns>
        /// <remarks><para>The <seealso cref="OnDirLandReply"/> event will be raised with the response from the simulator 
        /// 
        /// There is no way to determine how many results will be returned, or how many times the callback will be 
        /// fired other than you won't get more than 100 total parcels from 
        /// each reply.</para>
        /// 
        /// <para>Any land set for sale to either anybody or specific to the connected agent will be included in the
        /// results if the land is included in the query</para></remarks>
        /// <example>
        /// <code>
        /// // request all mainland, any maturity rating that is larger than 512 sq.m
        /// StartLandSearch(DirFindFlags.SortAsc | DirFindFlags.PerMeterSort | DirFindFlags.LimitByArea | DirFindFlags.IncludePG | DirFindFlags.IncludeMature | DirFindFlags.IncludeAdult, SearchTypeFlags.Mainland, 0, 512, 0);
        /// </code></example>
        public UUID StartLandSearch(DirFindFlags findFlags, SearchTypeFlags typeFlags, int priceLimit,
            int areaLimit, int queryStart)
        {
            UUID queryID = UUID.Random();
            
            DirLandQueryPacket query = new DirLandQueryPacket();
            query.AgentData.AgentID = Client.Self.AgentID;
            query.AgentData.SessionID = Client.Self.SessionID;
            query.QueryData.Area = areaLimit;
            query.QueryData.Price = priceLimit;
            query.QueryData.QueryStart = queryStart;
            query.QueryData.SearchType = (uint)typeFlags;
            query.QueryData.QueryFlags = (uint)findFlags;
            query.QueryData.QueryID = queryID;

            Client.Network.SendPacket(query);

            return queryID;
        }

        /// <summary>
        /// Starts a search for a Group in the directory manager
        /// </summary>
        /// <param name="findFlags"></param>
        /// <param name="searchText">A string containing a list of keywords to search for separated by a space character</param>
        /// <param name="queryStart">Each request is limited to 100 parcels
        /// being returned. To get the first 100 parcels of a request use 0,
        /// from 100-199 use 100, 200-299 use 200, etc.</param>
        /// <returns>A unique identifier that can identify packets associated
        /// with this query from other queries</returns>
        /// <remarks>The OnDirLandReply event handler must be registered before
        /// calling this function. There is no way to determine how many 
        /// results will be returned, or how many times the callback will be 
        /// fired other than you won't get more than 100 total parcels from 
        /// each query.</remarks>
        public UUID StartGroupSearch(DirFindFlags findFlags, string searchText, int queryStart)
        {
            return StartGroupSearch(findFlags, searchText, queryStart, UUID.Random());
        }

        /// <summary>
        /// Search for groups
        /// </summary>
        /// <param name="findFlags"></param>
        /// <param name="searchText"></param>
        /// <param name="queryStart"></param>
        /// <param name="queryID"></param>
        /// <returns></returns>
        public UUID StartGroupSearch(DirFindFlags findFlags, string searchText, int queryStart, UUID queryID)
        {
            DirFindQueryPacket find = new DirFindQueryPacket();
            find.AgentData.AgentID = Client.Self.AgentID;
            find.AgentData.SessionID = Client.Self.SessionID;
            find.QueryData.QueryFlags = (uint)findFlags;
            find.QueryData.QueryText = Utils.StringToBytes(searchText);
            find.QueryData.QueryID = queryID;
            find.QueryData.QueryStart = queryStart;
            Client.Network.SendPacket(find);
            return queryID;
        }

        /// <summary>
        /// Search the people directory for other avatars
        /// 
        /// The <see cref="OnDirPeopleReply"/> event is raised when a response is received from the simulator
        /// </summary>
        /// <param name="findFlags"></param>
        /// <param name="searchText">A string containing a list of keywords to search for separated by a space character</param>
        /// <param name="queryStart"></param>
        /// <returns></returns>
        public UUID StartPeopleSearch(DirFindFlags findFlags, string searchText, int queryStart)
        {
            return StartPeopleSearch(findFlags, searchText, queryStart, UUID.Random());
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="findFlags"></param>
        /// <param name="searchText">A string containing a list of keywords to search for separated by a space character</param>
        /// <param name="queryStart"></param>
        /// <param name="queryID"></param>
        /// <returns></returns>
        public UUID StartPeopleSearch(DirFindFlags findFlags, string searchText, int queryStart, UUID queryID)
        {
            DirFindQueryPacket find = new DirFindQueryPacket();
            find.AgentData.AgentID = Client.Self.AgentID;
            find.AgentData.SessionID = Client.Self.SessionID;
            find.QueryData.QueryFlags = (uint)findFlags;
            find.QueryData.QueryText = Utils.StringToBytes(searchText);
            find.QueryData.QueryID = queryID;
            find.QueryData.QueryStart = queryStart;

            Client.Network.SendPacket(find);

            return queryID;
        }

        /// <summary>
        /// Search "places" for parcels of land you personally own
        /// </summary>
        public UUID StartPlacesSearch()
        {
            return StartPlacesSearch(DirFindFlags.AgentOwned, ParcelCategory.Any, String.Empty, String.Empty,
                UUID.Zero, UUID.Zero);
        }

        /// <summary>
        /// Searches Places for Land owned by a specific user or group
        /// </summary>
        /// <param name="findFlags">One of the Values from the DirFindFlags struct, ie: AgentOwned, GroupOwned, etc.</param>
        /// <param name="groupID">LLUID of group you want to recieve land list for (You must be in group), or
        /// LLUID.Zero for Your own land</param>
        /// <returns>Transaction (Query) ID which can be associated with results from your request.</returns>
        public UUID StartPlacesSearch(DirFindFlags findFlags, UUID groupID)
        {
            return StartPlacesSearch(findFlags, ParcelCategory.Any, String.Empty, String.Empty, groupID,
                UUID.Random());
        }

        /// <summary>
        ///  Search Places 
        /// </summary>
        /// <param name="findFlags">One of the Values from the DirFindFlags struct, ie: AgentOwned, GroupOwned, etc.</param>
        /// <param name="searchCategory">One of the values from the SearchCategory Struct, ie: Any, Linden, Newcomer</param>
        /// <param name="groupID">UUID of group you want to recieve results for</param>
        /// <param name="transactionID">Transaction (Query) ID which can be associated with results from your request.</param>
        /// <returns>Transaction (Query) ID which can be associated with results from your request.</returns>
        public UUID StartPlacesSearch(DirFindFlags findFlags, ParcelCategory searchCategory, UUID groupID, UUID transactionID)
        {
            return StartPlacesSearch(findFlags, searchCategory, String.Empty, String.Empty, groupID, transactionID);
        }

        /// <summary>
        /// Search Places - All Options
        /// </summary>
        /// <param name="findFlags">One of the Values from the DirFindFlags struct, ie: AgentOwned, GroupOwned, etc.</param>
        /// <param name="searchCategory">One of the values from the SearchCategory Struct, ie: Any, Linden, Newcomer</param>
        /// <param name="searchText">A string containing a list of keywords to search for separated by a space character</param>
        /// <param name="simulatorName">String Simulator Name to search in</param>
        /// <param name="groupID">LLUID of group you want to recieve results for</param>
        /// <param name="transactionID">Transaction (Query) ID which can be associated with results from your request.</param>
        /// <returns>Transaction (Query) ID which can be associated with results from your request.</returns>
        public UUID StartPlacesSearch(DirFindFlags findFlags, ParcelCategory searchCategory, string searchText, string simulatorName, UUID groupID, UUID transactionID)
        {
            PlacesQueryPacket find = new PlacesQueryPacket();
            find.AgentData.AgentID = Client.Self.AgentID;
            find.AgentData.SessionID = Client.Self.SessionID;
            find.AgentData.QueryID = groupID;

            find.TransactionData.TransactionID = transactionID;

            find.QueryData.QueryText = Utils.StringToBytes(searchText);
            find.QueryData.QueryFlags = (uint)findFlags;
            find.QueryData.Category = (sbyte)searchCategory;
            find.QueryData.SimName = Utils.StringToBytes(simulatorName);

            Client.Network.SendPacket(find);
            return transactionID;
        }


        /// <summary>
        /// Search All Events with specifid searchText in all categories, includes PG, Mature and Adult
        /// </summary>
        /// <param name="searchText">A string containing a list of keywords to search for separated by a space character</param>
        /// <param name="queryStart">Each request is limited to 100 entries
        /// being returned. To get the first group of entries of a request use 0,
        /// from 100-199 use 100, 200-299 use 200, etc.</param>
        /// <returns>UUID of query to correlate results in callback.</returns>
        public UUID StartEventsSearch(string searchText, uint queryStart)
        {
            return StartEventsSearch(searchText, DirFindFlags.DateEvents | DirFindFlags.IncludePG | DirFindFlags.IncludeMature | DirFindFlags.IncludeAdult, "u", queryStart, EventCategories.All);
        }

        /// <summary>
        /// Search Events
        /// </summary>
        /// <param name="searchText">A string containing a list of keywords to search for separated by a space character</param>
        /// <param name="queryFlags">One or more of the following flags: DateEvents, IncludePG, IncludeMature, IncludeAdult
        /// from the <see cref="DirFindFlags"/> Enum
        /// 
        /// Multiple flags can be combined by separating the flags with the | (pipe) character</param>
        /// <param name="eventDay">"u" for in-progress and upcoming events, -or- number of days since/until event is scheduled
        /// For example "0" = Today, "1" = tomorrow, "2" = following day, "-1" = yesterday, etc.</param>
        /// <param name="queryStart">Each request is limited to 100 entries
        /// being returned. To get the first group of entries of a request use 0,
        /// from 100-199 use 100, 200-299 use 200, etc.</param>
        /// <param name="category">EventCategory event is listed under.</param>
        /// <param name="queryID">a UUID that can be used to track queries with results.</param>
        /// <returns>UUID of query to correlate results in callback.</returns>
        public UUID StartEventsSearch(string searchText, DirFindFlags queryFlags, string eventDay, uint queryStart, EventCategories category)
        {
            DirFindQueryPacket find = new DirFindQueryPacket();
            find.AgentData.AgentID = Client.Self.AgentID;
            find.AgentData.SessionID = Client.Self.SessionID;

            UUID queryID = UUID.Random();

            find.QueryData.QueryID = queryID;
            find.QueryData.QueryText = Utils.StringToBytes(eventDay + "|" + (int)category + "|" + searchText);
            find.QueryData.QueryFlags = (uint)queryFlags;
            find.QueryData.QueryStart = (int)queryStart;

            Client.Network.SendPacket(find);
            return queryID;
        }
      
        /// <summary>Requests Event Details</summary>
        /// <param name="eventID">ID of Event returned from Places Search</param>
        public void EventInfoRequest(uint eventID)
        {
            EventInfoRequestPacket find = new EventInfoRequestPacket();
            find.AgentData.AgentID = Client.Self.AgentID;
            find.AgentData.SessionID = Client.Self.SessionID;

            find.EventData.EventID = eventID;

            Client.Network.SendPacket(find);
        }


        #region Blocking Functions

        [Obsolete("Use the async StartPeoplSearch method instead")]
        public bool PeopleSearch(DirFindFlags findFlags, string searchText, int queryStart,
            int timeoutMS, out List<AgentSearchData> results)
        {
            AutoResetEvent searchEvent = new AutoResetEvent(false);
            UUID id = UUID.Random();
            List<AgentSearchData> people = null;

            DirPeopleReplyCallback callback =
                delegate(UUID queryid, List<AgentSearchData> matches)
                {
                    if (id == queryid)
                    {
                        people = matches;
                        searchEvent.Set();
                    }
                };

            OnDirPeopleReply += callback;
            StartPeopleSearch(findFlags, searchText, queryStart, id);
            searchEvent.WaitOne(timeoutMS, false);
            OnDirPeopleReply -= callback;

            results = people;
            return (results != null);
        }

        #endregion Blocking Functions

        #region Packet Handlers

        private void DirClassifiedReplyHandler(Packet packet, Simulator simulator)
        {
            if (OnClassifiedReply != null)
            {
                DirClassifiedReplyPacket reply = (DirClassifiedReplyPacket)packet;
                List<Classified> classifieds = new List<Classified>();

                foreach (DirClassifiedReplyPacket.QueryRepliesBlock block in reply.QueryReplies)
                {
                    Classified classified = new Classified();

                    classified.CreationDate = Utils.UnixTimeToDateTime(block.CreationDate);
                    classified.ExpirationDate = Utils.UnixTimeToDateTime(block.ExpirationDate);
                    classified.Flags = (ClassifiedFlags)block.ClassifiedFlags;
                    classified.ID = block.ClassifiedID;
                    classified.Name = Utils.BytesToString(block.Name);
                    classified.Price = block.PriceForListing;

                    classifieds.Add(classified);
                }

                try { OnClassifiedReply(classifieds); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        private void DirLandReplyHandler(Packet packet, Simulator simulator)
        {
            if (OnDirLandReply != null)
            {
                List<DirectoryParcel> parcelsForSale = new List<DirectoryParcel>();
                DirLandReplyPacket reply = (DirLandReplyPacket)packet;

                foreach (DirLandReplyPacket.QueryRepliesBlock block in reply.QueryReplies)
                {
                    DirectoryParcel dirParcel = new DirectoryParcel();

                    dirParcel.ActualArea = block.ActualArea;
                    dirParcel.ID = block.ParcelID;
                    dirParcel.Name = Utils.BytesToString(block.Name);
                    dirParcel.SalePrice = block.SalePrice;
                    dirParcel.Auction = block.Auction;
                    dirParcel.ForSale = block.ForSale;

                    parcelsForSale.Add(dirParcel);
                }

                try { OnDirLandReply(parcelsForSale); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        private void DirLandReplyEventHandler(string capsKey, IMessage message, Simulator simulator)
        {
            if (OnDirLandReply != null)
            {
                List<DirectoryParcel> parcelsForSale = new List<DirectoryParcel>();

                DirLandReplyMessage reply = (DirLandReplyMessage)message;

                foreach (DirLandReplyMessage.QueryReply block in reply.QueryReplies)
                {
                    DirectoryParcel dirParcel = new DirectoryParcel();

                    dirParcel.ActualArea = block.ActualArea;
                    dirParcel.ID = block.ParcelID;
                    dirParcel.Name = block.Name;
                    dirParcel.SalePrice = block.SalePrice;
                    dirParcel.Auction = block.Auction;
                    dirParcel.ForSale = block.ForSale;

                    parcelsForSale.Add(dirParcel);
                }

                try { OnDirLandReply(parcelsForSale); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        protected void DirPeopleReplyHandler(Packet packet, Simulator simulator)
        {
            if (OnDirPeopleReply != null)
            {
                DirPeopleReplyPacket peopleReply = packet as DirPeopleReplyPacket;
                List<AgentSearchData> matches = new List<AgentSearchData>(peopleReply.QueryReplies.Length);
                foreach (DirPeopleReplyPacket.QueryRepliesBlock reply in peopleReply.QueryReplies)
                {
                    AgentSearchData searchData = new AgentSearchData();
                    searchData.Online = reply.Online;
                    searchData.FirstName = Utils.BytesToString(reply.FirstName);
                    searchData.LastName = Utils.BytesToString(reply.LastName);
                    searchData.AgentID = reply.AgentID;
                    matches.Add(searchData);
                }
                try { OnDirPeopleReply(peopleReply.QueryData.QueryID, matches); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        protected void DirGroupsReplyHandler(Packet packet, Simulator simulator)
        {
            if (OnDirGroupsReply != null)
            {
                DirGroupsReplyPacket groupsReply = packet as DirGroupsReplyPacket;
                List<GroupSearchData> matches = new List<GroupSearchData>(groupsReply.QueryReplies.Length);
                foreach (DirGroupsReplyPacket.QueryRepliesBlock reply in groupsReply.QueryReplies)
                {
                    GroupSearchData groupsData = new GroupSearchData();
                    groupsData.GroupID = reply.GroupID;
                    groupsData.GroupName = Utils.BytesToString(reply.GroupName);
                    groupsData.Members = reply.Members;
                    matches.Add(groupsData);
                }
                try { OnDirGroupsReply(groupsReply.QueryData.QueryID, matches); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        private void PlacesReplyEventHandler(string capsKey, IMessage message, Simulator simulator)
        {
            if (OnPlacesReply != null)
            {
                PlacesReplyMessage replyMessage = (PlacesReplyMessage)message;
                List<PlacesSearchData> places = new List<PlacesSearchData>();

                for (int i = 0; i < replyMessage.QueryDataBlocks.Length; i++)
                {
                    PlacesSearchData place = new PlacesSearchData();
                    place.ActualArea = replyMessage.QueryDataBlocks[i].ActualArea;
                    place.BillableArea = replyMessage.QueryDataBlocks[i].BillableArea;
                    place.Desc = replyMessage.QueryDataBlocks[i].Description;
                    place.Dwell = replyMessage.QueryDataBlocks[i].Dwell;
                    place.Flags = (byte)replyMessage.QueryDataBlocks[i].Flags;
                    place.GlobalX = replyMessage.QueryDataBlocks[i].GlobalX;
                    place.GlobalY = replyMessage.QueryDataBlocks[i].GlobalY;
                    place.GlobalZ = replyMessage.QueryDataBlocks[i].GlobalZ;
                    place.Name = replyMessage.QueryDataBlocks[i].Name;
                    place.OwnerID = replyMessage.QueryDataBlocks[i].OwnerID;
                    place.Price = replyMessage.QueryDataBlocks[i].Price;
                    place.SimName = replyMessage.QueryDataBlocks[i].SimName;
                    place.SnapshotID = replyMessage.QueryDataBlocks[i].SnapShotID;
                    places.Add(place);
                }

                try { OnPlacesReply(replyMessage.TransactionID, places); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        private void PlacesReplyHandler(Packet packet, Simulator simulator)
        {
            if (OnPlacesReply != null)
            {
                PlacesReplyPacket placesReply = packet as PlacesReplyPacket;
                List<PlacesSearchData> places = new List<PlacesSearchData>();

                foreach (PlacesReplyPacket.QueryDataBlock block in placesReply.QueryData)
                {
                    PlacesSearchData place = new PlacesSearchData();
                    place.OwnerID = block.OwnerID;
                    place.Name = Utils.BytesToString(block.Name);
                    place.Desc = Utils.BytesToString(block.Desc);
                    place.ActualArea = block.ActualArea;
                    place.BillableArea = block.BillableArea;
                    place.Flags = block.Flags;
                    place.GlobalX = block.GlobalX;
                    place.GlobalY = block.GlobalY;
                    place.GlobalZ = block.GlobalZ;
                    place.SimName = Utils.BytesToString(block.SimName);
                    place.SnapshotID = block.SnapshotID;
                    place.Dwell = block.Dwell;
                    place.Price = block.Price;

                    places.Add(place);
                }
                try { OnPlacesReply(placesReply.TransactionData.TransactionID, places); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        private void EventsReplyHandler(Packet packet, Simulator simulator)
        {
            if (OnEventsReply != null)
            {
                DirEventsReplyPacket eventsReply = packet as DirEventsReplyPacket;
                List<EventsSearchData> matches = new List<EventsSearchData>(eventsReply.QueryReplies.Length);

                foreach (DirEventsReplyPacket.QueryRepliesBlock reply in eventsReply.QueryReplies)
                {
                    EventsSearchData eventsData = new EventsSearchData();
                    eventsData.Owner = reply.OwnerID;
                    eventsData.Name = Utils.BytesToString(reply.Name);
                    eventsData.ID = reply.EventID;
                    eventsData.Date = Utils.BytesToString(reply.Date);
                    eventsData.Time = reply.UnixTime;
                    eventsData.Flags = (EventFlags)reply.EventFlags;
                    matches.Add(eventsData);
                }

                try { OnEventsReply(eventsReply.QueryData.QueryID, matches); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        private void EventInfoReplyHandler(Packet packet, Simulator simulator)
        {
            if (OnEventInfo != null)
            {
                EventInfoReplyPacket eventReply = (EventInfoReplyPacket)packet;
                EventInfo evinfo = new EventInfo();
                evinfo.ID = eventReply.EventData.EventID;
                evinfo.Name = Utils.BytesToString(eventReply.EventData.Name);
                evinfo.Desc = Utils.BytesToString(eventReply.EventData.Desc);
                evinfo.Amount = eventReply.EventData.Amount;
                evinfo.Category = (EventCategories)Utils.BytesToUInt(eventReply.EventData.Category);
                evinfo.Cover = eventReply.EventData.Cover;
                evinfo.Creator = (UUID)Utils.BytesToString(eventReply.EventData.Creator);
                evinfo.Date = Utils.BytesToString(eventReply.EventData.Date);
                evinfo.DateUTC = eventReply.EventData.DateUTC;
                evinfo.Duration = eventReply.EventData.Duration;
                evinfo.Flags = (EventFlags)eventReply.EventData.EventFlags;
                evinfo.SimName = Utils.BytesToString(eventReply.EventData.SimName);
                evinfo.GlobalPos = eventReply.EventData.GlobalPos;

                try { OnEventInfo(evinfo); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        private void DirPlacesReplyHandler(Packet packet, Simulator simulator)
        {
            if (OnDirPlacesReply != null)
            {
                DirPlacesReplyPacket reply = (DirPlacesReplyPacket)packet;
                List<DirectoryParcel> result = new List<DirectoryParcel>();

                for (int i = 0; i < reply.QueryReplies.Length; i++)
                {
                    DirectoryParcel p = new DirectoryParcel();

                    p.ID = reply.QueryReplies[i].ParcelID;
                    p.Name = Utils.BytesToString(reply.QueryReplies[i].Name);
                    p.Dwell = reply.QueryReplies[i].Dwell;
                    p.Auction = reply.QueryReplies[i].Auction;
                    p.ForSale = reply.QueryReplies[i].ForSale;                    

                    result.Add(p);
                }

                try { OnDirPlacesReply(reply.QueryData[0].QueryID, result); }
                catch (Exception e) { Logger.Log(e.Message, Helpers.LogLevel.Error, Client, e); }
            }
        }

        #endregion Packet Handlers
    }
}